diff --git a/metadata/com.simplemobiletools.dialer.yml b/metadata/com.simplemobiletools.dialer.yml
index 7b079e45fe..c0d6ab96bf 100644
--- a/metadata/com.simplemobiletools.dialer.yml
+++ b/metadata/com.simplemobiletools.dialer.yml
@@ -23,8 +23,7 @@ Builds:
     subdir: app
     gradle:
       - yes
-    prebuild:
-      - sed -i -e '/keystore.*{/,/}/d; /keystore/d' build.gradle
+    prebuild: sed -i -e '/keystore.*{/,/}/d; /keystore/d' build.gradle
 
 AutoUpdateMode: Version %v
 UpdateCheckMode: Tags